Home / 830,167.38-1,145,632.68-485,941.14

Finding the Fourth Proportional to 830,167.38, 1,145,632.68 and 485,941.14

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Solution

The fourth proportional to 830,167.38, 1,145,632.68 and 485,941.14 is: 670,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,167.38 : 1,145,632.68 = 485,941.14 : x
  2. Step 2: Convert to fraction form
    830,167.38/1,145,632.68 = 485,941.14/x
  3. Step 3: Cross multiply
    830,167.38x = 1,145,632.68 × 485,941.14
  4. Step 4: Simplify right side
    830,167.38x = 556,710,050,540.46
  5. Step 5: Solve for x
    x = 556,710,050,540.46/830,167.38
  6. Step 6: Final answer
    x = 670,599.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.